diff --git a/pkgs/applications/window-managers/sway/beta.nix b/pkgs/applications/window-managers/sway/beta.nix
index 83c8e9328ca..35f310f06db 100644
--- a/pkgs/applications/window-managers/sway/beta.nix
+++ b/pkgs/applications/window-managers/sway/beta.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub
+{ stdenv, fetchFromGitHub, fetchpatch
 , meson, ninja
 , pkgconfig, scdoc
 , wayland, libxkbcommon, pcre, json_c, dbus, libevdev
@@ -10,17 +10,25 @@
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "sway";
-  version = "1.0-rc5";
+  version = "1.0";
 
   src = fetchFromGitHub {
     owner = "swaywm";
     repo = "sway";
     rev = version;
-    sha256 = "1jkacibmxy9rpq5mxnq7bkwcy0c592zk4vf20j5qbbljp9h7c87i";
+    sha256 = "09cndc2nl39d3l7g5634xp0pxcz60pvc5277mfw89r22mh0j78rx";
+  };
+
+  # TODO: The following patch introduced a compiler warning which leads to a
+  # build failure (we'll revert it for now as this patch is not supposed to
+  # change any functionality):
+  patch-remove-unused-functions = fetchpatch {
+    url = "https://github.com/swaywm/sway/commit/2b70e8518b7327d29eec4f9593e9b8f4238cebfe.patch";
+    sha256 = "1bq1i8dzxwckahzna6s9swvhpj1c1ics14pc1f1jcxwya50lk1rz";
   };
 
   postPatch = ''
-    sed -iE "s/version: '1.0',/version: '${version}',/" meson.build
+    patch -p1 --reverse < ${patch-remove-unused-functions}
   '';
 
   nativeBuildInputs = [